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Finding the Fourth Proportional to 400,149.72, 599,558.22 and 281,571.93

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Solution

The fourth proportional to 400,149.72, 599,558.22 and 281,571.93 is: 421,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,149.72 : 599,558.22 = 281,571.93 : x
  2. Step 2: Convert to fraction form
    400,149.72/599,558.22 = 281,571.93/x
  3. Step 3: Cross multiply
    400,149.72x = 599,558.22 × 281,571.93
  4. Step 4: Simplify right side
    400,149.72x = 168,818,765,152.77
  5. Step 5: Solve for x
    x = 168,818,765,152.77/400,149.72
  6. Step 6: Final answer
    x = 421,889.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.